/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.utils;

import java.util.Iterator;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;

public final class Streams
{
  public static <T> Stream<T> sequentialStreamFrom(Iterator<T> iterator)
  {
    final Spliterator<T> spliterator = Spliterators.spliteratorUnknownSize(iterator, Spliterator.DISTINCT);
    return StreamSupport.stream(spliterator, false);
  }

  public static <T> Stream<T> sequentialStreamFrom(Iterable<T> iterable)
  {
    return StreamSupport.stream(iterable.spliterator(), false);
  }

  private Streams()
  {
  }
}
